Proto-IE: *nēyt-, *nyēt-
Meaning: to be hostile, to attack
Tokharian: A ñātse, B ñyātse 'danger, plague, distress' (Adams 273 < *ni̯ēti̯o-)
Celtic: *nīt- > OIr nīth `Kampf, Schlacht, Not'
Russ. meaning: намеревать зло, нападать
References: WP II 336